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authorMarijn Haverbeke <[email protected]>2011-05-06 22:13:13 +0200
committerMarijn Haverbeke <[email protected]>2011-05-06 22:51:19 +0200
commita3ec0b1f643d00b9418e4884bd7caa07bf052201 (patch)
tree82000510ac9c9cf3f0c7cf4ae5f3c6b123b559cb /src/lib/Util.rs
parentRegister new snapshots. (diff)
downloadrust-a3ec0b1f643d00b9418e4884bd7caa07bf052201.tar.xz
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Rename std modules to be camelcased
(Have fun mergining your stuff with this.)
Diffstat (limited to 'src/lib/Util.rs')
-rw-r--r--src/lib/Util.rs33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/lib/Util.rs b/src/lib/Util.rs
new file mode 100644
index 00000000..a385aafd
--- /dev/null
+++ b/src/lib/Util.rs
@@ -0,0 +1,33 @@
+fn id[T](&T x) -> T {
+ ret x;
+}
+
+/* FIXME (issue #141): See test/run-pass/constrained-type.rs. Uncomment
+ * the constraint once fixed. */
+type rational = rec(int num, int den); // : Int.positive(*.den);
+
+fn rational_leq(&rational x, &rational y) -> bool {
+ // NB: Uses the fact that rationals have positive denominators WLOG.
+ ret x.num * y.den <= y.num * x.den;
+}
+
+fn fst[T, U](&tup(T, U) x) -> T {
+ ret x._0;
+}
+
+fn snd[T, U](&tup(T, U) x) -> U {
+ ret x._1;
+}
+
+fn orb(&bool a, &bool b) -> bool {
+ ret a || b;
+}
+
+// Local Variables:
+// mode: rust;
+// fill-column: 78;
+// indent-tabs-mode: nil
+// c-basic-offset: 4
+// buffer-file-coding-system: utf-8-unix
+// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
+// End: